INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answers should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 90.
• The marks for each question are shown in brackets [ ].
• This document has 32 pages.
ADVICE
• Read each question carefully before you start your answer.
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OCR is an exempt Charity
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1 A student is experimenting with an iron nail and a bar magnet.
(a) First, they place a paper clip close to the iron nail.
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The nail does not attract the paper clip.
Then they place a bar magnet touching the end of the nail.
The nail now attracts the paper clip, so the paper clip is attached to the nail.
(i) Which of these is a correct description of the nail?
Tick (✓) one box.
Electromagnet
Induced magnet
Permanent magnet
[1]
(ii) What happens to the paper clip when the bar magnet is taken away?
Tick (✓) one box.
It becomes a permanent magnet.
It falls off the nail.
It stays permanently attached to the nail.
[1] (iii) Paperclips can be made from different metals.
Which two of these metals could the paperclip in this experiment be made from?
Tick (✓) two boxes.
Copper
Nickel
Steel
[1]
(b) The diagram shows the magnetic field around a bar magnet.
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, 3
S N
Complete the table to show the property of a magnetic field that is shown by each
feature of the diagram.
Tick (✓) one box in each row.
Feature of the Direction of Poles of the Type of Strength of
diagram magnetic field magnet magnet magnetic field
Arrows
Distance between lines
S and N
[3] (c) Explain why a magnetic compass can be used to support the idea that the
Earth’s core is magnetic.
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, 4
2 Kettles are used to heat water to boiling point.
(a) What is the useful output energy store of a kettle?
Tick (✓) one box.
Gravitational
Magnetic
Nuclear
Thermal
[1]
(b) The table shows some electrical information about a mains electric kettle used at home
and a travel kettle.
Mains electric kettle Travel kettle
10 A 8A
230 V 12 V
2000 W 100 W
(i) Which piece of information gives the power rating of the mains electric kettle?
Tick (✓) one box.
10 A
230 V
2000
W
[1]
(ii) Both kettles are used to boil the same volume of water.
Complete the sentence to explain the time taken for each kettle.
Use words from the list.
energy frequency less
more temperature the same
The travel kettle will take ...................................... time to boil the water because it
transfers
less ...................................... per second.
[2] (c) Hot water is poured from a kettle into an insulated flask.
The water fills the flask.
The lid is screwed on.
The diagram shows a cross-section through the flask.
© OCR 2025